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- crown root ratio 冠根比例
- clinical crown:clinical root ratio 临床冠与根比率
- Methods Fifty two fractured crown root posterior molar of 50 patients were treatd by RCT, bonding, flapping and HA hone graft. 方法选择50例患者的52颗后牙冠根纵折伴牙周脓肿的患牙进行完整拔除、牙槽窝修整、患牙体外根管治疗、黏接再植、牙周翻瓣植骨术。
- The experimented breeds of Chinese date could take root by cutting, the rooting ratio increased after ABT treatment, that is 33.33% by the cuttings treated with 100ppm ABT. 大荔水枣、晋枣、蜂蜜罐嫩枝扦插均可生根，但生根率低； ABT处理可显著提高生根率，尤以100ppm效果最好，可使生根率提高3倍。
- The result showed that IAA from 150mg/L to 250mg/L could significantly improve rooting ratio. 结果表明:吲哚乙酸处理促进生根的最佳浓度为150-250mg/L;
- IBA could significantly increase the rooting ratio, the length of the adventitious roots, and somewhat the number of adventitious roots. 外源激素的种类及浓度对插条生根率、不定根长度及数量的影响各不相同。
- The crown of St Wenceslas was in prague cathedral. 圣文萨斯雷的皇冠保存在布拉格大教堂。
- On 1/4 DKW basal medium supplemented no plant growth regulators, the rooting ratio of the top section was 100%, while the middle and basal had no rhizogenesis. 以核桃成熟或近成熟种实子叶为试材，在1/4DKW基本培养基上培养，近胚端的生根率达100%25，而中部和远胚端的生根率为0。
- The crown was beset with diamonds and jewels. 皇冠上镶嵌着钻石和珠宝。
- Keywords The maximal bite force;Chewing force;Loosen teeth;Alveolar bone resorption;Crown to root ratio;Piezoelectrical transducer; 最大力;咀嚼力;松动牙;牙槽骨吸收;冠根比压电传感器;
- The part of a tooth between the crown and the root. 牙颈在牙冠和牙根之间的部位
- A major has a crown on the shoulder of his uniform. 一名少校在制服的肩部有个王冠形的纹章。
- It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
- Prince Charles is the legal heir of the crown. 查尔斯王子是王位的合法继承人。
- That ring is beans compared with the crown jewels. 与皇冠上的宝石相比那枚戒指根本不值什么钱。
- She laid claim to her father's crown. 她根据权利要求继承父亲的王位。
- The gardener tore up the plant, root and all. 园丁把园中的花草树木连根全挖了出来。
- The plant has not struck root yet. 那棵植物还没生根。
- Unhappiness is the root cause of his illness. 不开心是他生病的根源。
- Idleness is the root of all evil. 懒惰乃万恶之源。
